@Mustafa_elshikh What's your TL-WR840n HW version - this should be on your device bottom sticker - v6 or v6.2. Here's a (ME) region FW release for HW v6.2. If you have another HW version don't use...

@Luca7788 From your detailed description it seems that the old cable is causing the issue. If the RE705X works with a factory made patch cord without any problems then change the old cable. Also make...

@BAS23 Even if its SSID is different, you should be able to reach any of your LAN devices when connected to the EAP-115. For example: If your ISP router IP address is 192.168.0.1 you can configure...

@RichStaf WR902AC does NAT in two of its working modes - router mode and hotspot mode (WISP mode). Depending on how you connected it to your main router (wired or wireless) choose WR902AC mode...

@CI23 Did you try to copy the VR2600 WAN port MAC address to the AX73 WAN port - your ISP may use a MAC address locking. Also check the AX73 log file for any useful information. If nothing helps,...

@kj8450 Global english support page should be the first place to search for latest EU region FW releases.